What is the principle of HPLC, GC, LCMS, GCMS,LC QQQ, GC QQQ,
LC Q TOF and GC Q TOF. What are the applications and
Specificity?
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How will you select mobile phase in HPLC Method Development
what is the difference between melting range & melting point? Which is more significant?
How to calibrate glassware against std calibrated glassware?
During Validation study, Recovery is passing at all levels but Linearity is failing. Justify?
1 Answers Mylan, Torrent Pharma,
how you start the solubility study?
In Number of Theoretical Plates (N) = 16 (tr/w)2. where tr: retention time, and W: peak width. My Question is here in formula what is 16.Can u explain briefly? ---Veerabhadrarao.M
3 Answers Micro Labs, Richter Themis, Sun Pharma,
Why we select scan range from higer wavelength to lower wavelength in uv visible spectroscopy and ftir spectroscopy ? .
HPLC Calibration was done in Reverse Phase, but not in normal phase why explain?
why SGF media used for dissolution . What is the use of it .can we use other media of lower pH instead ot this?
What is Band broading effect explain
principle of UV , PDA , RI detector in HPLC
How we performed the force degradation for drug substance, is any specific guideline is available for each parameter(Acidic, basic, oxidation,heat)? what conditions you mentained for above parameters.